The r-process in prompt explosions from collapsing O-Ne-Mg cores

Details The r-process in prompt explosions from collapsing O-Ne-Mg cores The r-process in prompt explosions from collapsing O-Ne-Mg cores

Jul 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005nupha.758..615w&link_type=abstract

Nuclear Physics A, Volume 758, p. 615-618.

Physics

Nuclear Physics

Scientific paper

We examine r-process nucleosynthesis in a "prompt supernova explosion" from an 8 10 M&sun; progenitor star. We simulate energetic prompt explosions by enhancement of the shock-heating energy, in order to investigate conditions necessary for the production of r-process nuclei in such events. The r-process nucleosynthesis is calculated using a nuclear reaction network code including relevant neutron-rich isotopes with reactions among them. The highly neutronized ejecta (Y≈0.14-0.20) leads to robust production of r-process nuclei; their relative abundances are in excellent agreement with the solar r-process pattern.

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